Caldwell Casting/Performance Metals R2813A 2-13/16" Aluminum Rudder Trim Tab Anode

The Performance Metals R2813A is a two-piece aluminum rudder and trim tab anode that includes stainless steel mounting hardware with nuts pressed directly into the casting. Manufactured from Navalloy® aluminum to military specification MIL-DTL 24779, this anode is suitable for use in all water types including salt, brackish, and fresh water.

Key Features:

• 2-13/16" diameter two-piece design for secure installation
• Exclusive patented "red spot" wear indicator for easy monitoring
• Stainless steel nuts pressed into casting for simplified installation
• Complete hardware kit included
• MIL-DTL 24779 military specification aluminum alloy
• Replaces R2 model

This anode provides critical corrosion protection for rudders and trim tabs by sacrificing itself to prevent galvanic corrosion damage to more expensive metal components. The red spot wear indicator eliminates guesswork about when replacement is needed, ensuring your boat's underwater metals remain protected.